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Description
A dense and flexible packing that is plaited from a special spun fibre blended from four synthetic fibres, coated with graphite. The yarn is impregnated - under controlled conditions of heat, pressure and vacuum - with high viscosity petroleum-based lubricant, then coated with high purity flake graphite before plaiting.
Typical applications
High speed rotary pumps on boiler feed systems in the power generation, marine and petrochemical industries. Also other pump and valve duties involving high temperatures and extreme conditions with steam, process water and oils.
Prime features
Chemical properties
Compatible with media in the range pH 4-10, including oils, gases and a variety of chemicals.
Service capabilities - valve stem duties
Maximum operating temperature: +315°C.
Minimum operating temperature: -40°C.
Maximum system pressure: 20bar.
Service capabilities - centrifigal pumps and rotary equipment
Maximum operating temperature: +315°C.
Minimum operating temperature: -40°C.
Maximum shaft speed: 20m/s.
Maximum system pressure: 15bar.
How supplied
Ex-stock: all popular square sections from 3mm to 25mm, boxed in 8m lengths. Also supplied as split preformed rings and sets. Full fitting instructions are included.
Click here to download the Compression Packing Guide pdf (2.17MB)
